| Schmallenberg to Devnya | 1,053.68 mi (1,695.73 km) |
| Schmallenberg to Dimitrovgrad | 1,030.56 mi (1,658.53 km) |
| Schmallenberg to Dobrich | 1,049.62 mi (1,689.20 km) |
| Schmallenberg to Dospat | 997.93 mi (1,606.01 km) |
| Schmallenberg to Dupnitsa | 930.02 mi (1,496.73 km) |
| Schmallenberg to Elhovo | 1,061.47 mi (1,708.27 km) |
| Schmallenberg to Etropole | 934.11 mi (1,503.31 km) |
| Schmallenberg to Gabrovo | 982.41 mi (1,581.03 km) |
| Schmallenberg to Gorna Oryahovitsa | 984.35 mi (1,584.16 km) |
| Schmallenberg to Gotse Delchev | 986.84 mi (1,588.17 km) |
| Schmallenberg to Harmanli | 1,047.29 mi (1,685.45 km) |
| Schmallenberg to Haskovo | 1,034.89 mi (1,665.50 km) |
| Schmallenberg to Ihtiman | 946.45 mi (1,523.16 km) |
| Schmallenberg to Isperih | 1,003.46 mi (1,614.90 km) |
| Schmallenberg to Kardzhali | 1,041.22 mi (1,675.68 km) |
